Ciena Corporation provides hardware, software, and services that support the transport, switching, aggregation, service delivery, and management of voice, video, and data traffic on communications networks worldwide. The company's Networking Platforms segment offers hardware networking solutions optimized for the convergence of coherent optical transport, optical transport network switching, and packet switching. Its products include 6500 Packet-Optical Platform and the 5430 Reconfigurable Switching System, Waveserver stackable interconnect system, CoreDirector Multiservice Optical Switches, and OTN configuration for the 5410 Reconfigurable Switching System, as well as Z-Series Packet-Optical Platform; 3000 family of service delivery switches and service aggregation switches, and the 5000 family of service aggregation switches, as well as 8700 Packetwave Platform and the Ethernet packet configuration for the 5410 Service Aggregation Switch; and 4200 Advanced Services Platform, 5100/5200 Advanced Services Platform, Common Photonic Layer, and 6100 Multiservice Optical Platform. This segment also sells operating system software and enhanced software features embedded in each of its products. The company's Software and Software-Related Services segment offers network management solutions, including the OneControl Unified Management System, ON-Center Network & Service Management Suite, Ethernet Services Manager, Optical Suite Release, and Planet Operate; and Blue Planet network virtualization, service orchestration, and network management software platform, as well as related installation, support, and consulting services. Its Global Services segment provides consulting and network design, installation and deployment, maintenance support, and training services. The company sells its products through direct and indirect sales channels to network operators. Ciena Corporation was founded in 1992 and is headquartered in Hanover, Maryland.